Home / 311,525,516.75-467,289,066.64-127,292,993.25

Finding the Fourth Proportional to 311,525,516.75, 467,289,066.64 and 127,292,993.25

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Solution

The fourth proportional to 311,525,516.75, 467,289,066.64 and 127,292,993.25 is: 190,939,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,525,516.75 : 467,289,066.64 = 127,292,993.25 : x
  2. Step 2: Convert to fraction form
    311,525,516.75/467,289,066.64 = 127,292,993.25/x
  3. Step 3: Cross multiply
    311,525,516.75x = 467,289,066.64 × 127,292,993.25
  4. Step 4: Simplify right side
    311,525,516.75x = 59,482,624,005,286,088
  5. Step 5: Solve for x
    x = 59,482,624,005,286,088/311,525,516.75
  6. Step 6: Final answer
    x = 190,939,813.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.